package com.changgou.search.controller;

import com.changgou.entity.Page;
import com.changgou.search.pojo.SkuInfo;
import com.changgou.search.service.SearchService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import java.util.Map;
import java.util.Set;

@Controller
@RequestMapping("/search")
public class SearchController {
    @Autowired
    private SearchService searchService;

    @GetMapping
    @ResponseBody
    public Map search(@RequestParam Map<String, String> searchMap) {
        //特殊符号处理
        this.handleSearchMap(searchMap);
        Map search = searchService.search(searchMap);
        return search;
    }

    @GetMapping("/list")
    public String list(@RequestParam Map<String, String> searchMap, Model model) {
        //特殊符号处理
        this.handleSearchMap(searchMap);
        //获取查询结果
        Map resultMap = searchService.search(searchMap);
        model.addAttribute("result", resultMap);
        model.addAttribute("searchMap", searchMap);

        //封装分页数据，并返回
        //总记录数
        //当前页
        // 每页几条
        Page<SkuInfo> page = new Page<>(
                Long.parseLong(String.valueOf(resultMap.get("total"))),
                Integer.parseInt(String.valueOf(resultMap.get("pageNum"))),
                Page.pageSize
                );
        model.addAttribute("page",page);
        //拼装URL
        StringBuilder url = new StringBuilder("/search/list");
        if (searchMap != null && searchMap.size() > 0) {
            //有查询条件, 拼装
            url.append("?");
            for (String paramKey : searchMap.keySet()) {
                if (!"sortRule".equals(paramKey) && !"sortField".equals(paramKey) && !"pageNum".equals(paramKey) && !"pageSize".equals(paramKey)) {
                    url.append(paramKey).append("=").append(searchMap.get(paramKey)).append("&");
                }
            }
            String urlString = url.toString();
            //去除路径上最后一个&
            urlString = urlString.substring(0, urlString.length() - 1);
            model.addAttribute("url", urlString);
        } else {
            model.addAttribute("url", url.toString());
        }

        return "search";
    }

    /**
     * 特殊符号处理 + --> %2B
     *
     * @param searchMap
     */
    private void handleSearchMap(Map<String, String> searchMap) {
        Set<Map.Entry<String, String>> entries = searchMap.entrySet();
        for (Map.Entry<String, String> entry : entries) {
            if (entry.getKey().startsWith("spec_")) {
                searchMap.put(entry.getKey(), entry.getValue().replace(" ", "+"));
            }
        }
    }
}
